[PATCH v9 1/9] crypto: caam - allocate RNG instantiation descriptor with GFP_DMA

From: Andrey Smirnov
Date: Thu Mar 19 2020 - 12:13:05 EST


Be consistent with the rest of the codebase and use GFP_DMA when
allocating memory for a CAAM JR descriptor.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Reviewed-by: Horia GeantÄ <horia.geanta@xxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Horia GeantÄ <horia.geanta@xxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Iuliana Prodan <iuliana.prodan@xxxxxxx>
Cc: linux-imx@xxxxxxx
Cc: linux-crypto@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/crypto/caam/ctrl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 7139366da016..7f7f2960b0cc 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -196,7 +196,7 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
u32 *desc, status;
int sh_idx, ret = 0;

- desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
+ desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL | GFP_DMA);
if (!desc)
return -ENOMEM;

@@ -273,7 +273,7 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
int ret = 0, sh_idx;

ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl;
- desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL);
+ desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL | GFP_DMA);
if (!desc)
return -ENOMEM;

--
2.21.0